src/app/store/statements/reducers/statement-entities.reducer.ts

/********************************************************************************
 * Copyright (c) 2020 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0
 *
 * SPDX-License-Identifier: EPL-2.0
 ********************************************************************************/

import {createReducer, on} from "@ngrx/store";
import {TStoreEntities} from "../../../util/store";
import {setStatementDetails} from "../actions";
import {IStatementEntity} from "../model";

export const statementEntitiesReducer = createReducer<TStoreEntities<IStatementEntity>>(
    {},
    on(setStatementDetails, (state, payload) => {
        return payload.statementId == null ? state : {
            ...state,
            [payload.statementId]: {
                ...state[payload.statementId],
                ...payload.details
            }
        };
    })
);